<!DOCTYPE html>
<html lang="en" xmlns:v-bind="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="app"> 单复选框：
    <input type="checkbox" id="checkbox" v-model="checked"> &nbsp;&nbsp;
    <label for="checkbox">{{checked}}</label>
</div>
<script src="vue.js"></script>

<script>
    new Vue({
        el: '#app',
        data: {
            checked: false
        }
    })
</script>
</body>

</html>